Single-electron capture in collisions of proton beams with molecules of biological interest

被引：15

作者：

Galassi, M. E. ^{[1
]}

Abufager, P. N. ^{[1
]}

Fainstein, P. D. ^{[2
]}

Rivarola, R. D. ^{[1
]}

机构：

[1] Univ Nacl Rosario, Inst Fis Rosario, CONICET, RA-2000 Rosario, Argentina

[2] Comis Nacl Energia Atom, Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina

来源：

PHYSICAL REVIEW A | 2010年 / 81卷 / 06期

关键词：

ION-ATOM COLLISIONS; STOPPING POWER; CROSS-SECTIONS; MULTIPLE IONIZATION; WATER-VAPOR; LCAO-MO; SIMULATION; IMPACT; O-8+;

D O I：

10.1103/PhysRevA.81.062713

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Single-electron charge exchange from simple molecular targets of biological interest to fast ion beams is investigated using the continuum-distorted-wave-eikonal-initial-state model. Thus, this model is applied for electron capture from molecules with many orbitals in the fundamental state. The role played by the representation of the initial state is analyzed and contributions from different molecular orbitals to total cross sections are calculated. The results are shown to be in very good agreement with existing experimental data for collision energies larger than a few tens of keV.

引用

页数：4

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